If two events A and B are such that , and , find

Question

Philoid · Accepted Answer

Given

We know that

But, P(A)=1-0.3=0.7

Therefore,

Now, P(A∪B)=P(A)+P(B)-P(A∩B)

= 0.7 + 0.4-0.4

= 0.9

Therefore,

=1-0.9

=0.1